ALD18 ASTEC [Astec America, Inc], ALD18 Datasheet - Page 9

• Manufacturer Part Number: ALD18
• Description: Single Output 16th Brick: 60Watts
• Manufacturer: ASTEC [Astec America, Inc]

Performance Curves
5V Version (continued)
3.3V Version
MODEL: ALD12/18/20/25 SERIES
AUGUST 17, 2005 – REVISION C
Figure 10. 5V Output current vs. ambient temperature
curves at V
Figure 12. 3.3V Efficiency vs. output current at various
input line conditions, T
95%
90%
85%
80%
75%
70%
65%
60%
55%
12
10
8
6
4
2
0
25
0
Efficiency vs. Output Current, T
ALD12A48 Current vs. Temperature
IN
= 48Vdc.
3
0 LFM
100LFM
200 LFM
300LFM
400 LFM
40
Output Current (Amps)
A
Temperature (°C)
6
= 25 C.
55
9
12
Technical Reference Notes
A
=25°C
ALD12/18/20/25 Series
(Single Output 16
70
Vin = 36Vdc
Vin = 48Vdc
Vin = 75Vdc
15
18
85
th
Figure 11. 5V Transient Response 50% to 75% step at
V
Figure 13. 3.3V Power Dissipation vs. load current at
various input line conditions, T
Brick)
IN
= 48Vdc, T
10
Power Dissipation vs. Output Current, T
8
6
4
2
0
0
3
A
Vin = 36Vdc
Vin = 48Vdc
Vin = 75Vdc
= 25 C, di/dt = 0.1A/ s, C
Output Current (Amps)
6
A
9
= 25 C.
12
O
= 0.
A
=25°C
15
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